The city sits at the confluence of the Christina River and the Delaware River, about 33 miles (53 km) southwest of Philadelphia. Wilmington Train Station, one of the southernmost stops on Philadelphia's SEPTA rail transportation system, is also served by Northeast Corridor Amtrak passenger trains.
Houston Intercontinental Airport IAH serves the country's fourth largest City of Houston and the Gulf Coast region in Southeast Texas. It is presently one of the top five airports in the world and continues to attract more air carriers and add more destination points.
Houston Airport System. 1  4th largest multi-airport system in the country. 2  20 airlines serve Bush and Hobby airports. 3  55 million passengers traveled through the three airports in 2015.  80 million passengers traveling through HAS are projected by 1  2020. Serves 121 U.S. and 69 international destinations.